Home / 750,317.99-1,035,342.41-428,008.86

Finding the Fourth Proportional to 750,317.99, 1,035,342.41 and 428,008.86

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Solution

The fourth proportional to 750,317.99, 1,035,342.41 and 428,008.86 is: 590,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,317.99 : 1,035,342.41 = 428,008.86 : x
  2. Step 2: Convert to fraction form
    750,317.99/1,035,342.41 = 428,008.86/x
  3. Step 3: Cross multiply
    750,317.99x = 1,035,342.41 × 428,008.86
  4. Step 4: Simplify right side
    750,317.99x = 443,135,722,473.71
  5. Step 5: Solve for x
    x = 443,135,722,473.71/750,317.99
  6. Step 6: Final answer
    x = 590,597.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.